The catalytic growth of CNTs and/or CNFs polymer composites has been performed by means of the chemical vapour deposition of a C2H4/H-2 gas mixture on polymer supports (i.e. para-aramide powders and fibres) at 500-600 degrees C. By selecting suitable reaction parameters, the concentration and the growth level of the CNTs and/or CNFs on the polymer surface can be changed, according to the final properties of the obtained composite. Nanofilaments, 20 divided by 120 mn in diameter formed at 500 degrees C on polymer supported Ni catalysts, give rise. at first, to a carbon-polymer composite. A more dense porous nanotissue, then generated at 600 degrees C, embeds the polymer substrate with formation of a carbon-carbon composite. In this work, the progressive formation of carbon-polymer and then carbon-carbon composites is investigated by SEM, TEM and AFM microscopies and by XRD analysis.

Designing of carbon nanofilaments-based composites for innovative applications

CESANO, Federico;BERTARIONE RAVA ROSSA, Serena;SCARANO, Domenica;SPOTO, Giuseppe;ZECCHINA, Adriano
2009-01-01

Abstract

The catalytic growth of CNTs and/or CNFs polymer composites has been performed by means of the chemical vapour deposition of a C2H4/H-2 gas mixture on polymer supports (i.e. para-aramide powders and fibres) at 500-600 degrees C. By selecting suitable reaction parameters, the concentration and the growth level of the CNTs and/or CNFs on the polymer surface can be changed, according to the final properties of the obtained composite. Nanofilaments, 20 divided by 120 mn in diameter formed at 500 degrees C on polymer supported Ni catalysts, give rise. at first, to a carbon-polymer composite. A more dense porous nanotissue, then generated at 600 degrees C, embeds the polymer substrate with formation of a carbon-carbon composite. In this work, the progressive formation of carbon-polymer and then carbon-carbon composites is investigated by SEM, TEM and AFM microscopies and by XRD analysis.
2009
18
5-8
979
983
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Polymer composites; Nanofibres; Nanostructures; CVD
Federico Cesano; Serena Bertarione; Domenica Scarano; Giuseppe Spoto; Adriano Zecchina
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2318/75768
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